CN105718728A - Method for automatically calculating rolling pass of road roller - Google Patents
Method for automatically calculating rolling pass of road roller Download PDFInfo
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- CN105718728A CN105718728A CN201610036705.8A CN201610036705A CN105718728A CN 105718728 A CN105718728 A CN 105718728A CN 201610036705 A CN201610036705 A CN 201610036705A CN 105718728 A CN105718728 A CN 105718728A
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Z—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS, NOT OTHERWISE PROVIDED FOR
- G16Z99/00—Subject matter not provided for in other main groups of this subclass
Abstract
The invention provides a method for automatically calculating the rolling pass of a road roller, and relates to the field of road roller rolling. The method comprises the following steps: according to the plane coordinate information of a road roller rolling track, segmenting the rolling track to obtain each single-segment rolling track; fitting a straight line for each single-segment rolling track, determining the demarcation point of the rolling pass according to the parameter variation periodicity of the fit straight line, and obtaining the information of the single-pass rolling track of a single road roller; and overlapping the single-pass rolling track of the single road roller of all passes of each road roller to determine rolling pass information. When the method is used for realizing a purpose that one or a plurality of road rollers rolls a working plane, the rolling pass and the distribution situation of the rolling passes of various type of road rollers of the current working plane are automatically calculated in real time, and therefore, field operating personnel immediately find voltage leakage and undervoltage areas to guarantee construction quality.
Description
Technical field
The present invention relates to road roller and roll field, particularly relate to a kind of method automatically calculated for road roller number of rolling.
Background technology
In the current computational methods to road roller compacting counting, although having the calculating of preliminary compacting counting, but comparison for calculation methods is extensive, precision controlling is relatively low, and field operation personnel cannot accurately learn the number of rolling of each particular location.Owing to there is no a kind of number of rolling automatic calculating method for one or more road roller, roadbed, road surface, dam etc. filled when thing carries out associating compacting operation, field operation personnel can not find in time Lou pressure, under-voltage region, construction quality is difficult to ensure.
Summary of the invention
For the defect of prior art, the present invention proposes a kind of method automatically calculated for road roller number of rolling solving above-mentioned technical problem.
First aspect, the present invention provides a kind of method automatically calculated for road roller number of rolling, including:
Roll the plane coordinates information of track according to road roller, roll trajectory segment to described, obtain each single hop and roll track；
Described each single hop is rolled track fitting straight line, according to the periodicity that the straight line parameter after matching changes, it is determined that the separation of number of rolling, obtains separate unit road roller single pass and roll wheelmark information；
The separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
Preferably, to described roll trajectory segment before, described method also includes, and the geodetic coordinates of road roller rolling wheel is converted into plane coordinates.
Preferably, described to described roll trajectory segment before, described method also includes: roll track pretreatment to described, removes and rolls data point static in track and the big data point of error.
Preferably, the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling, specifically includes:
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
Preferably, the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling also includes:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
Second aspect, the present invention provides a kind of device automatically calculated for road roller number of rolling, including:
Segmenting unit, for rolling the plane coordinates information of track according to road roller, rolls trajectory segment to described, obtains each single hop and roll track；
Matching boundary unit, for described each single hop is rolled track fitting straight line, according to the periodicity that the straight line parameter after matching changes, it is determined that the separation of number of rolling, obtains separate unit road roller single pass and rolls wheelmark information；
Determine unit, for the separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
Preferably, described device also includes, conversion unit, for the geodetic coordinates of road roller rolling wheel is converted into plane coordinates.
Preferably, described device also includes: pretreatment unit, for rolling track pretreatment to described, removes and rolls data point static in track and the big data point of error.
Preferably, described matching boundary unit, specifically for,
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
Preferably, described matching boundary unit is additionally operable to:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
As shown from the above technical solution, the present invention provides a kind of method automatically calculated for road roller number of rolling, for realizing one or more road roller to when the scope of operation rolls, dissimilar according to road roller, calculate in real time automatically the number of rolling of all kinds road roller in current work face and number of rolling distribution situation, make field operation personnel immediately send out and leak pressure, under-voltage region again, to ensure construction quality.
Accompanying drawing explanation
The schematic flow sheet of the method automatically calculated for road roller number of rolling that Fig. 1 provides for one embodiment of the invention；
The schematic flow sheet of the method automatically calculated for road roller number of rolling that Fig. 2 provides for another embodiment of the present invention；
The structural representation of the device automatically calculated for road roller number of rolling that Fig. 3 provides for one embodiment of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following example are used for illustrating the present invention, but are not limited to the scope of the present invention.
Fig. 1 illustrates the schematic flow sheet of the method automatically calculated for road roller number of rolling that one embodiment of the invention provides, as it is shown in figure 1, the number of rolling computational methods of the present embodiment are as described below.
101, roll the plane coordinates information of track according to road roller, roll trajectory segment to described, obtain each single hop and roll track.
It is understood that roll region according to the rolling wheel width calculation road roller of the driving trace data of road roller and road roller.
102, described each single hop is rolled track fitting straight line, according to the periodicity that the straight line parameter after matching changes, it is determined that the separation of number of rolling, obtain separate unit road roller single pass and roll wheelmark information.
It is understood that according to each road roller roll track point all over numbering, each point all over after roll on track basis; add the rolling wheel width information of corresponding road roller; flat resolution according to actual needs, by operating area gridding, generates separate unit respectively and divides all over rolling wheelmark figure；Divide all over rolling in wheelmark figure at separate unit, remove adjacent twice, with rolling layer, the impact coming and going the lap of middle wheelmark for standard less than 2 times, form platform and divide all over rolling mark state diagram；
103, the separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
It is understood that divide the corresponding separate unit of same kind road roller all over rolling state diagram superposition, generate collaborative point of the type road roller all over rolling state diagram；By collaborative point of each time all over rolling state diagram superposition, generate this scope of operation collaborative number of rolling figure；
On collaborative number of rolling figure basis, the grid number of the different number of rolling of statistics, the grid calculating different number of rolling is always rolling the ratio put in grid, and formation is collaborative rolls statistical report form.According to number of rolling information and require number of rolling information, it is determined that whether in leakage pressure, under-voltage region in this work surface, and indicated.
The real-time collaborative number of rolling figure of this scope of operation when said method is by exhibition real-time to field operation personnel, on-the-spot road roller tractor driver can send out in real time leaks pressure, under-voltage region, timely ftercompction again.Field operation commanding can grasp and effectively command the overall process of rolling operation in real time.
In a preferred embodiment of the invention, to described roll trajectory segment before, described method also includes, and the geodetic coordinates of road roller rolling wheel is converted into plane coordinates.
It is understood that before calculating number of rolling, all road roller position datas are converted to plane coordinates (N, E, U) by geodetic coordinates (B, L, H), if position data is plane coordinates, do not need conversion.
In a preferred embodiment of the invention, described to described roll trajectory segment before, described method also includes: roll track pretreatment to described, removes and rolls data point static in track and the big data point of error.Make result of calculation more accurate.
In a preferred embodiment of the invention, the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling, specifically includes:
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
It is understandable that, extract the X-axis intercept of fitting a straight line of each track after each road roller segmentation, Y intercept data, according to X-axis intercept, Y intercept change flex point (from the side of operating area successively toward opposite side roll time) or according to X-axis intercept, Y intercept period of change (when rolling toward inner side successively outside operating area) starting point as the waypoint of number of rolling, number according to the number of rolling that track belongs to that rolls that each time each section of the number of rolling waypoint labelling respectively calculated is corresponding；
In a preferred embodiment of the invention, the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling also includes:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
It is understood that the half that preset value described in the present embodiment is rolling wheel width, but the present invention is not limited to this numerical value, and preset value specifically can limit according to practical situation.Two fitting a straight lines and the distance in X-axis, the near intersections of Y-axis is calculated according to the slope of fitting a straight line of adjacent two sections of tracks after segmentation, X-axis intercept, Y intercept, compare with about the half of the rolling wheel width of current road roller by the meansigma methods of this distance, judge whether adjacent two sections of tracks belong to road roller coming and going in a rolling operation, belong to the orbit segment place of " returning " not as follow-up described number of rolling segmentation；
It addition, the concrete grammar calculating rolling wheel mark in number of rolling computational methods provided by the invention is as described below:
What deserves to be explained is, with the first of every section of track data for starting point, the terminal being this section of track with the last point of every section of track data, using the width of corresponding road roller rolling wheel as the width of wheelmark.
Using the line of first and second point as the centrage of initial wheelmark；Centrage using the line of last point and point second from the bottom as termination wheelmark.With the central axis with initial wheelmark, and using first be midpoint line segment as the start line of initial wheelmark；With with terminate wheelmark central axis, and using last point be midpoint line segment as terminate wheelmark terminated line.
Except first and last point place, from second point, the centrage using the line of this point and former point as this section (first to second point for first paragraph, the rest may be inferred) wheelmark, using the line of this point and subsequent point as the centrage of hypomere wheelmark.Two-end-point with the start line respectively through the preceding paragraph wheelmark, and with left bounding lines as this section of wheelmark of two straight lines of the centerline parallel of this section of wheelmark, with the angular bisector of the centrage of this section of wheelmark and the centrage of hypomere wheelmark, (angular bisector has two orthogonal straight lines.First calculate the intersection point of this two angular bisector and the left bounding lines of this section of wheelmark, and ask two corresponding intersection points and this point distance sum respectively, and then choose that angle horizontal line that two intersection points are corresponding in the shorter situation of sum with this point) as the terminated line of this section of wheelmark.The terminated line of this section of wheelmark is simultaneously as the start line of hypomere wheelmark.
Grid ready-portioned in the scope of operation is judged, the number of rolling of the grid within the scope that this section of wheelmark start line, terminated line and left bounding lines surround adds 1.The rest may be inferred, completes all calculating rolling wheelmark.
Said method can realize the dissimilar road roller work compound compacting counting of multiple stage in the same scope of operation and automatically calculate, the number of rolling of dissimilar road roller calculates respectively, and the number of rolling image resolution ratio in the method automatically calculated for road roller number of rolling provided by the invention can be on-demand self-defined, the compacting counting in accurate expression arbitrary size region.
Fig. 2 illustrates the schematic flow sheet of the method automatically calculated for road roller number of rolling that another embodiment of the present invention provides, as in figure 2 it is shown, the number of rolling computational methods of the present embodiment are as described below.
The position data of each road roller current work face is extracted from data base；
Geodetic coordinates (B, L, H) is converted into plane coordinates (N, E, U)；
Plane coordinates is carried out initial filter, removes redundant data, smooth hop point；
Road roller driving trace data after the filtering are found out the flex point of driving trace；
According to switch-back point, the track that rolls of each road roller is carried out segmentation；
Every section of track of each road roller is carried out linear fit；
Two fitting a straight lines and the distance in X-axis, the near intersections of Y-axis is calculated according to the slope of fitting a straight line of adjacent two sections of tracks after segmentation, X-axis intercept, Y intercept, compare with about the half of the rolling wheel width of current road roller by the meansigma methods of this distance, judge whether adjacent two sections of tracks belong to road roller coming and going in a rolling operation, belong to the orbit segment place of " returning " not as follow-up described number of rolling segmentation；
Extract the X-axis intercept of fitting a straight line of each track after each road roller segmentation, Y intercept data, according to X-axis intercept, Y intercept change flex point (from the side of operating area successively toward opposite side roll time) or according to X-axis intercept, Y intercept period of change (when rolling toward inner side successively outside operating area) starting point as the waypoint of number of rolling, number according to the number of rolling that track belongs to that rolls that each time each section of the number of rolling waypoint labelling respectively calculated is corresponding；
According to each road roller roll track point all over numbering, each point all over after roll on track basis, add the rolling wheel width information of corresponding road roller, flat resolution according to actual needs, by operating area gridding, generate separate unit respectively and divide all over rolling wheelmark figure；
Divide all over rolling in wheelmark figure at separate unit, remove the redundance of wheelmark lap with rolling layer less than 2 times for standard, form platform and divide all over rolling mark state diagram；
The corresponding separate unit of same kind road roller divides all over rolling state diagram superposition, generates collaborative point of the type road roller all over rolling state diagram；
Collaborative point of each time all over rolling state diagram superposition, generate this scope of operation collaborative number of rolling figure；
On collaborative number of rolling figure basis, the grid number of the different number of rolling of statistics, the grid calculating different number of rolling is always rolling the ratio put in grid, and formation is collaborative rolls statistical report form.
The real-time collaborative number of rolling figure of this scope of operation during by exhibition real-time to field operation personnel, on-the-spot road roller tractor driver can send out in real time leaks pressure, under-voltage region, timely ftercompction again.Field operation commanding can grasp and effectively command the overall process of rolling operation in real time.
Said method provides a kind of number of rolling automatic calculating method for one or more road roller, roadbed, road surface, dam etc. filled when thing carries out associating compacting operation.
Fig. 3 illustrates the structural representation of the device automatically calculated for road roller number of rolling that one embodiment of the invention provides, as it is shown on figure 3, the number of rolling calculation element of the present embodiment includes:
Segmenting unit 31, for rolling the plane coordinates information of track according to road roller, rolls trajectory segment to described, obtains each single hop and roll track；
Matching boundary unit 32, for described each single hop is rolled track fitting straight line, the periodicity according to the change of the straight line after matching, it is determined that the separation of number of rolling, obtain separate unit road roller single pass and roll wheelmark information；
Determine unit 33, for the separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
In another preferred embodiment of the present invention, it is unshowned that described device also includes Fig. 3, conversion unit 34, for the geodetic coordinates of road roller rolling wheel is converted into plane coordinates.
In another preferred embodiment of the present invention, it is unshowned that described device also includes Fig. 3: pretreatment unit 35, for rolling track pretreatment to described, removes and rolls data point static in track and the big data point of error.
In another preferred embodiment of the present invention, described matching boundary unit 32, specifically for,
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
In another preferred embodiment of the present invention, described matching boundary unit 32 is additionally operable to:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
It will be appreciated that said apparatus and said method are relations one to one, the implementation detail in said method is also applied for said apparatus, and therefore, the details that is embodied as of said apparatus is no longer described in detail by the present embodiment.
Roadbed, road surface, dam etc. are filled number of rolling automatic computing equipment when thing carries out associating compacting operation by above-mentioned offer one or more road roller a kind of, realize one or more road roller to when the scope of operation rolls, dissimilar according to road roller, calculate in real time automatically the number of rolling of all kinds road roller in current work face and number of rolling distribution situation, make field operation personnel immediately send out and leak pressure, under-voltage region again, to ensure construction quality.
It will be understood by those skilled in the art that and can carry out the module in the equipment in embodiment adaptively changing and they being provided in one or more equipment that this embodiment is different.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and multiple submodule or subelement or sub-component can be put them in addition.Except at least some in such feature and/or process or unit is mutually exclusive part, it is possible to adopt any combination that all processes or the unit of all features disclosed in this specification (including adjoint claim, summary and accompanying drawing) and so disclosed any method or equipment are combined.Unless expressly stated otherwise, each feature disclosed in this specification (including adjoint claim, summary and accompanying drawing) can be replaced by the alternative features providing purpose identical, equivalent or similar.
In addition, those skilled in the art it will be appreciated that, although embodiments more described herein include some feature included in other embodiments rather than further feature, but the combination of the feature of different embodiment means to be within the scope of the present invention and form different embodiments.Such as, in the following claims, the one of any of embodiment required for protection can mode use in any combination.
The all parts embodiment of the present invention can realize with hardware, or realizes with the software module run on one or more processor, or realizes with their combination.The present invention will be described rather than limits the invention to it should be noted above-described embodiment, and those skilled in the art can design alternative embodiment without departing from the scope of the appended claims.In the claims, any reference marks that should not will be located between bracket is configured to limitations on claims.Word " comprises " and does not exclude the presence of the element or step not arranged in the claims.Word "a" or "an" before being positioned at element does not exclude the presence of multiple such element.The present invention by means of including the hardware of some different elements and can realize by means of properly programmed computer.In the unit claim listing some devices, several in these devices can be through same hardware branch and specifically embody.Word first, second and third use do not indicate that any order.Can be title by these word explanations.
Last it is noted that one of ordinary skill in the art will appreciate that: various embodiments above only in order to technical scheme to be described, is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of the claims in the present invention.
Claims (10)
1. the method automatically calculated for road roller number of rolling, it is characterised in that including:
Roll the plane coordinates information of track according to road roller, roll trajectory segment to described, obtain each single hop and roll track；
Described each single hop is rolled track fitting straight line, according to the periodicity that the straight line parameter after matching changes, it is determined that the separation of number of rolling, obtains separate unit road roller single pass and roll wheelmark information；
The separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
2. method according to claim 1, it is characterised in that to described roll trajectory segment before, described method also includes, and the geodetic coordinates of road roller rolling wheel is converted into plane coordinates.
3. method according to claim 1, it is characterised in that described to described roll trajectory segment before, described method also includes: roll track pretreatment to described, removes and rolls data point static in track and the big data point of error.
4. method according to claim 1, it is characterised in that the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling, specifically includes:
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
5. method according to claim 4, it is characterised in that the described cyclically-varying changed according to the straight line parameter after matching, it is determined that the separation of number of rolling also includes:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
6. the device automatically calculated for road roller number of rolling, it is characterised in that including:
Segmenting unit, for rolling the plane coordinates information of track according to road roller, rolls trajectory segment to described, obtains each single hop and roll track；
Matching boundary unit, for described each single hop is rolled track fitting straight line, according to the periodicity of straight line parameter change after matching, it is determined that the separation of number of rolling, obtains separate unit road roller single pass and rolls wheelmark information；
Determine unit, for the separate unit road roller single pass of each for each road roller time is rolled wheelmark information superposition, it is determined that number of rolling information.
7. device according to claim 6, it is characterised in that described device also includes, conversion unit, for being converted into plane coordinates by the geodetic coordinates of road roller rolling wheel.
8. device according to claim 6, it is characterised in that described device also includes: pretreatment unit, for rolling track pretreatment to described, removes and rolls data point static in track and the big data point of error.
9. device according to claim 6, it is characterised in that described matching boundary unit, specifically for,
When road roller is rolled to opposite side by side successively in operating area, according to the periodicity in X-axis or the change of Y intercept extreme value of the straight line after matching, it is determined that the separation of number of rolling；
Or
When road roller is rolled by outside successively to the inside in operating area, according to the periodicity in X-axis or the change of Y intercept of the straight line after matching, it is determined that the separation of number of rolling.
10. device according to claim 9, it is characterised in that described matching boundary unit is additionally operable to:
Determining that the point that first paragraph rolls on the straight line of track fitting rolls the distance of the straight line of track fitting to second segment, if described distance is less than preset value, then described second segment rolls the straight line of track fitting not as the separation determining number of rolling.
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| CN113481780A (en) * | 2021-06-04 | 2021-10-08 | 西南交通大学 | Roadbed overlapping rolling range calculation method, device and equipment and readable storage medium |
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| CN109857097A (en) * | 2018-12-07 | 2019-06-07 | 北京中交睿达科技有限公司 | A kind of monitoring method and system of road surface roller compaction process |
| CN109857097B (en) * | 2018-12-07 | 2022-04-12 | 北京中交睿达科技有限公司 | Method and system for monitoring road surface rolling process |
| CN110646813A (en) * | 2019-09-30 | 2020-01-03 | 长安大学 | Method and device for monitoring rolling pass of road roller and judging whether rolling is qualified |
| CN113481780A (en) * | 2021-06-04 | 2021-10-08 | 西南交通大学 | Roadbed overlapping rolling range calculation method, device and equipment and readable storage medium |
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